Move G31_G32 to cpp

Marlin/src/Marlin.cpp

  ***************** GCode Handlers *****************
  **************************************************/
 
-#if ENABLED(Z_PROBE_SLED)
-  #include "gcode/probe/G31_G32.h"
-#endif
-
 #if ENABLED(G38_PROBE_TARGET)
   #include "gcode/probe/G38.h"
 #endif

Marlin/src/gcode/gcode.cpp

 //
 // Placeholders for non-migrated codes
 //
-extern void gcode_G31();
-extern void gcode_G32();
 extern void gcode_G38(bool is_38_2);
 extern void gcode_G42();
 extern void gcode_G92();
         #if ENABLED(Z_PROBE_SLED)
 
             case 31: // G31: dock the sled
-              gcode_G31();
+              G31();
               break;
 
             case 32: // G32: undock the sled
-              gcode_G32();
+              G32();
               break;
 
         #endif // Z_PROBE_SLED

Marlin/src/gcode/probe/G31_G32.h → Marlin/src/gcode/probe/G31_G32.cpp

  *
  */
 
+#include "../../inc/MarlinConfig.h"
+
+#if ENABLED(Z_PROBE_SLED)
+
+#include "../gcode.h"
+#include "../../module/probe.h"
+
 /**
  * G31: Deploy the Z probe
  */
-void gcode_G31() { DEPLOY_PROBE(); }
+void GcodeSuite::G31() { DEPLOY_PROBE(); }
 
 /**
  * G32: Stow the Z probe
  */
-void gcode_G32() { STOW_PROBE(); }
+void GcodeSuite::G32() { STOW_PROBE(); }
+
+#endif // Z_PROBE_SLED